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Finding the Fourth Proportional to 59.94, 82.70 and 33.71

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Solution

The fourth proportional to 59.94, 82.70 and 33.71 is: 46.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.94 : 82.70 = 33.71 : x
  2. Step 2: Convert to fraction form
    59.94/82.70 = 33.71/x
  3. Step 3: Cross multiply
    59.94x = 82.70 × 33.71
  4. Step 4: Simplify right side
    59.94x = 2,787.55
  5. Step 5: Solve for x
    x = 2,787.55/59.94
  6. Step 6: Final answer
    x = 46.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.